Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Question

Let R(ABCDEFG) be a relation and F={A -> C, A-> D, B->F, E->F, F->G}
a. Show example of lossless join decomposition of R into three tables R1, R2
and R3 and demonstrate that this decomposition is lossless using chase
algorithm
b. Find one key for this scheme and prove that it is a key using closure
algorithm and definition of a key.

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